Nicotine powder delivery system
Patent Information
- Authority / Receiving Office
- CN ยท China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- PHILIP MORRIS PROD SA
- Publication Date
- 2018-08-28
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Abstract
Description
technical field
[0001] The present disclosure relates to a nicotine powder delivery system comprising an inhaler article and a nicotine powder capsule disposed within the inhaler article. The nicotine powder capsule is rotatable about a longitudinal axis as air flows through the inhaler article. Background technique
[0002] Dry powder inhalers (DPIs) are known and used for the treatment of respiratory diseases by delivering a dry powder containing a drug in aerosol form to the respiratory tract of a patient via inhalation. For delivery into the lungs, particles in the 1 to 5 micron range are preferred. In pharmaceutical dry powders, the active pharmaceutical ingredient (API) aggregates on the surface of larger carrier particles such as lactose. DPIs operate complex mechanisms to ensure that such agglomerates disperse, disintegrate or disaggregate before the API can be inhaled into the lungs. Drug dry powders containing lactose as a carrier can be in the range of 20 to 10...